I can hardly imagine Peter ________ across the Atlantic Ocean in five days.
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A
sail
B
to sail
C
sailing
D
to have sailed
推荐题目
His mother _____ teacher. 
#83288
A
became
B
has turned
C
came
D
proved
He left school early, and as an adolescent, determined ______  in South American, set off from his home.
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A
having a fortune
B
making his fortune
C
to spend a fortune
D
to make his fortune
I overslept this morning because my alarm clock ______.
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A
didn’t go out
B
didn’t let out
C
didn’t go off
D
didn’t let off